438224019 has 8 divisors (see below), whose sum is σ = 593019840. Its totient is φ = 287788776.

The previous prime is 438224009. The next prime is 438224023. The reversal of 438224019 is 910422834.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 438224019 - 2⁸ = 438223763 is a prime.

It is a super-2 number, since 2×438224019² = 384080581657024722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (438224009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1089909 + ... + 1090310.

It is an arithmetic number, because the mean of its divisors is an integer number (74127480).

Almost surely, 2^438224019 is an apocalyptic number.

438224019 is a deficient number, since it is larger than the sum of its proper divisors (154795821).

438224019 is a wasteful number, since it uses less digits than its factorization.

438224019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2180289.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 438224019 is about 20933.8008732289. The cubic root of 438224019 is about 759.5657832416.

The spelling of 438224019 in words is "four hundred thirty-eight million, two hundred twenty-four thousand, nineteen".